Expiratory muscle strength trainer adapter



FIG. 1 is a rear perspective view for an expiratory muscle strength trainer adapter showing my new design;

FIG. 2 is a front perspective view thereof;

FIG. 3 is a rear side view thereof;

FIG. 4 is a front side view thereof;

FIG. 5 is a right side view, the left, top, and bottom being the same image thereof;

FIG. 6 is a side sectional view taken along lines 6-6 from FIG. 4 thereof; and,

FIG. 7 is a rear perspective view shown in an environment of use.

The broken lines in FIG. 7 depict environmental subject matter used with the invention only and form no part of the claimed design.

The broken away symbols in the drawings indicate that any portion of the article beyond what is shown forms a part of the claimed design. 

CLAIM The ornamental design for an expiratory muscle strength trainer adapter, as shown and described. 